From 9893c80d81587ac25d8ea4a82651371b54e7df35 Mon Sep 17 00:00:00 2001
From: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Date: Tue, 12 Feb 2013 11:29:31 +1000
Subject: [PATCH] cadance_uart: Accept input after rx FIFO pop
The device returns false from the can receive function when the FIFO is
full. This means the device should check for buffered input whenever a byte is
popped from the FIFO.
Reported-by: Jason Wu <huanyu@xilinx.com>
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 1360632571-25638-1-git-send-email-peter.crosthwaite@xilinx.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
hw/cadence_uart.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/cadence_uart.c b/hw/cadence_uart.c
index cf2f53c81c..5766d38f13 100644
--- a/hw/cadence_uart.c
+++ b/hw/cadence_uart.c
@@ -343,6 +343,7 @@ static void uart_read_rx_fifo(UartState *s, uint32_t *c)
if (!s->rx_count) {
s->r[R_SR] |= UART_SR_INTR_REMPTY;
}
+ qemu_chr_accept_input(s->chr);
} else {
*c = 0;
s->r[R_SR] |= UART_SR_INTR_REMPTY;